43155544553452 has 24 divisors (see below), whose sum is σ = 76081870629072. Its totient is φ = 21418454040000.

The previous prime is 43155544553447. The next prime is 43155544553461. The reversal of 43155544553452 is 25435544555134.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 43155544553393 and 43155544553402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73056699 + ... + 73645042.

It is an arithmetic number, because the mean of its divisors is an integer number (3170077942878).

Almost surely, 2^{43155544553452} is an apocalyptic number.

It is an amenable number.

43155544553452 is a deficient number, since it is larger than the sum of its proper divisors (32926326075620).

43155544553452 is a wasteful number, since it uses less digits than its factorization.

43155544553452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146702289 (or 146702287 counting only the distinct ones).

The product of its digits is 72000000, while the sum is 55.

The spelling of 43155544553452 in words is "forty-three trillion, one hundred fifty-five billion, five hundred forty-four million, five hundred fifty-three thousand, four hundred fifty-two".